drm/panel/panel-novatek-nt35560.c

157 	int ret;
162 		ret = mipi_dsi_dcs_write(dsi, MIPI_DCS_WRITE_CONTROL_DISPLAY,
164 		if (ret) {
165 			dev_err(nt->dev, "failed to disable display backlight (%d)\n", ret);
166 			return ret;
179 	ret = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_DISPLAY_BRIGHTNESS,
181 	if (ret < 0) {
182 		dev_err(nt->dev, "failed to set display PWM ratio (%d)\n", ret);
183 		return ret;
196 	ret = mipi_dsi_dcs_write(dsi, 0xf3, &par, 1);
197 	if (ret < 0) {
198 		dev_err(nt->dev, "failed to unlock CMD 2 (%d)\n", ret);
199 		return ret;
202 	ret = mipi_dsi_dcs_write(dsi, 0x00, &par, 1);
203 	if (ret < 0) {
204 		dev_err(nt->dev, "failed to enter page 1 (%d)\n", ret);
205 		return ret;
208 	ret = mipi_dsi_dcs_write(dsi, 0x7d, &par, 1);
209 	if (ret < 0) {
210 		dev_err(nt->dev, "failed to disable MTP reload (%d)\n", ret);
211 		return ret;
213 	ret = mipi_dsi_dcs_write(dsi, 0x22, &pwm_div, 1);
214 	if (ret < 0) {
215 		dev_err(nt->dev, "failed to set PWM divisor (%d)\n", ret);
216 		return ret;
219 	ret = mipi_dsi_dcs_write(dsi, 0x7f, &par, 1);
220 	if (ret < 0) {
221 		dev_err(nt->dev, "failed to lock CMD 2 (%d)\n", ret);
222 		return ret;
227 	ret = mipi_dsi_dcs_write(dsi, MIPI_DCS_WRITE_CONTROL_DISPLAY,
229 	if (ret < 0) {
230 		dev_err(nt->dev, "failed to enable display backlight (%d)\n", ret);
231 		return ret;
252 	int ret;
254 	ret = mipi_dsi_dcs_read(dsi, NT35560_DCS_READ_ID1, &vendor, 1);
255 	if (ret < 0) {
257 		return ret;
259 	ret = mipi_dsi_dcs_read(dsi, NT35560_DCS_READ_ID2, &version, 1);
260 	if (ret < 0) {
262 		return ret;
264 	ret = mipi_dsi_dcs_read(dsi, NT35560_DCS_READ_ID3, &panel, 1);
265 	if (ret < 0) {
267 		return ret;
295 	int ret;
297 	ret = regulator_enable(nt->supply);
298 	if (ret) {
299 		dev_err(nt->dev, "failed to enable supply (%d)\n", ret);
300 		return ret;
327 	int ret;
329 	ret = nt35560_power_on(nt);
330 	if (ret)
331 		return ret;
333 	ret = nt35560_read_id(nt);
334 	if (ret) {
335 		dev_err(nt->dev, "failed to read panel ID (%d)\n", ret);
340 	ret = mipi_dsi_dcs_set_tear_on(dsi,
342 	if (ret) {
343 		dev_err(nt->dev, "failed to enable vblank TE (%d)\n", ret);
357 	ret = mipi_dsi_dcs_write(dsi, NT35560_DCS_SET_MDDI,
359 	if (ret < 0) {
360 		dev_err(nt->dev, "failed to set MDDI (%d)\n", ret);
365 	ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
366 	if (ret) {
367 		dev_err(nt->dev, "failed to exit sleep mode (%d)\n", ret);
372 	ret = mipi_dsi_dcs_set_display_on(dsi);
373 	if (ret) {
374 		dev_err(nt->dev, "failed to turn display on (%d)\n", ret);
379 		ret = mipi_dsi_turn_on_peripheral(dsi);
380 		if (ret) {
390 	return ret;
397 	int ret;
399 	ret = mipi_dsi_dcs_set_display_off(dsi);
400 	if (ret) {
401 		dev_err(nt->dev, "failed to turn display off (%d)\n", ret);
402 		return ret;
406 	ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
407 	if (ret) {
408 		dev_err(nt->dev, "failed to enter sleep mode (%d)\n", ret);
409 		return ret;
457 	int ret;
516 	ret = mipi_dsi_attach(dsi);
517 	if (ret < 0) {
519 		return ret;